Home / 30,822,245.19-42,518,572-19,057,752.81

Finding the Fourth Proportional to 30,822,245.19, 42,518,572 and 19,057,752.81

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Solution

The fourth proportional to 30,822,245.19, 42,518,572 and 19,057,752.81 is: 26,289,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,822,245.19 : 42,518,572 = 19,057,752.81 : x
  2. Step 2: Convert to fraction form
    30,822,245.19/42,518,572 = 19,057,752.81/x
  3. Step 3: Cross multiply
    30,822,245.19x = 42,518,572 × 19,057,752.81
  4. Step 4: Simplify right side
    30,822,245.19x = 810,308,435,010,187.25
  5. Step 5: Solve for x
    x = 810,308,435,010,187.25/30,822,245.19
  6. Step 6: Final answer
    x = 26,289,727.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.